title: Absence of proteoglycan core protein in the cartilage mutant nanomelia.
mesh_terms: D000818:Animals; D002356:Cartilage / Q000378:metabolism*; D002642:Chick Embryo; D004591:Electrophoresis, Polyacrylamide Gel; D005779:Immunodiffusion; D017880:Limb Deformities, Congenital; D008970:Molecular Weight; D009154:Mutation; D011509:Proteoglycans / Q000096:biosynthesis*
chemical_list: D011509:Proteoglycans